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subprogram
2015 Sep 01
2
RFC: DI: Stop preserving types from dead functions
Way back in r107027, we started preserving type information of local
variables of functions that are optimized away. This seemed strange to
me so I dug into the history: apparently, this is so that ctfconvert can
find these types (so they can be exposed in dtrace).
E.g., this commit made it so that for this C code:
static void foo(void) { struct X { int b; } v; }
we always get the type